Home / 18,160.76-25,050.53-12,485.66

Finding the Fourth Proportional to 18,160.76, 25,050.53 and 12,485.66

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Solution

The fourth proportional to 18,160.76, 25,050.53 and 12,485.66 is: 17,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.76 : 25,050.53 = 12,485.66 : x
  2. Step 2: Convert to fraction form
    18,160.76/25,050.53 = 12,485.66/x
  3. Step 3: Cross multiply
    18,160.76x = 25,050.53 × 12,485.66
  4. Step 4: Simplify right side
    18,160.76x = 312,772,306.36
  5. Step 5: Solve for x
    x = 312,772,306.36/18,160.76
  6. Step 6: Final answer
    x = 17,222.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.